question archive An Air Conditioner uses 850 Watts of electricity and local emissions from electricity produce 1
Subject:MathPrice: Bought3
An Air Conditioner uses 850 Watts of electricity and local emissions from electricity produce 1.37 pounds of CO2 per kWh. If you open a window instead of using the AC for 1 hours, how many pounds of CO2 would you keep from entering the atmosphere?
Round answer to the nearest hundredth of a pound.
(17) Professor Ivy gives a test and finds that her students score an average of 74 with a standard deviation of 8 points.
Assuming a Normal Distribution of scores, 95% of her students would score between what two values?
a) 66 - 82
b) 68 - 78
c) 50 - 98
d) 58 - 90